Home / 132,860,852.40-199,291,278.60-120,743,997.60

Finding the Fourth Proportional to 132,860,852.40, 199,291,278.60 and 120,743,997.60

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Solution

The fourth proportional to 132,860,852.40, 199,291,278.60 and 120,743,997.60 is: 181,115,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860,852.40 : 199,291,278.60 = 120,743,997.60 : x
  2. Step 2: Convert to fraction form
    132,860,852.40/199,291,278.60 = 120,743,997.60/x
  3. Step 3: Cross multiply
    132,860,852.40x = 199,291,278.60 × 120,743,997.60
  4. Step 4: Simplify right side
    132,860,852.40x = 24,063,225,664,979,328
  5. Step 5: Solve for x
    x = 24,063,225,664,979,328/132,860,852.40
  6. Step 6: Final answer
    x = 181,115,996.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.